General
The routing of cables for heavy current should be made out
through the cable glands on the heat pump's left-hand side,
seen from the front (100) and signal cables from the rear
(102).
Connection
႑
A heat pump must not be connected without the permis-
sion of the electricity supplier and must be connected
under the supervision of a qualified electrician.
႑
If a miniature circuit breaker (MCB) is used this should
have motor characteristic “D” (compressor operation).
For MCB size see "Technical Specifications".
႑
F2025 does not include an omnipolar circuit breaker on
the incoming power supply. The heat pump’s supply cable
must be connected to a circuit-breaker with at least a 3
mm breaking gap. When the building is equipped with
an earth-fault breaker the heat pump should be equipped
with a separate one. Incoming supply must be 400 V
3NAC 50Hz via distribution boards with fuses.
႑
If an insulation test is to be carried out in the building,
disconnect the heat pump.
႑
Connect control signal cable for thermostats to terminal
(30). Cable type: unscreened LiYY, screened LiYCY. Cable
area, at least 0.22 mm² with cable lengths less than 50
m.
႑
Alternatively the relevant signal cable is connected from
terminal (44) on the control card (34) to SMO 10/VVM
300/EVP 500.
႑
Charge pump for F2025 can be connected to terminal
block (11) or to separate supply.
Note! If F2025 is deenergized and the charge pump
is connected to the terminal block (11) there is a risk
of freezing.
႑
A common alarm can be connected to terminal (11).
L
E
K
1 mm
5,5 mm
17F2025
For the Installer
Electrical connections
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